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Leybold RUVAC WS / WSU 251 Vacuum Blower - NEW

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Manufacturer Part Number: 11722, 11723
Leybold RUVAC WS / WSU 251 Vacuum Blower - NEW
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Leybold RUVAC WS / WSU 251 Vacuum Blower - NEW

  • Connection flange: DN 63 PN6
  • Max. permissible pressure difference: 80 mbar
  • Nom. pumping speed (50 Hz): 253 m3 · h-1
  • Rotational speed (50/60 Hz): 3,000 / 3,600 min-1

Inlet connection DN 63 ISO-K
Outlet connection DN 63 ISO-K
Nom. Pumping speed at 50 Hz 253 m3/h / 149 cfm
Nom. Pumping speed at 60 Hz 304 m3/h / 179 cfm
Ultimate partial pressure < 2.0 x 10-5 / < 1.5 x 10-5 Torr
Ultimate total pressure < 8.0 x 10-4 mbar / < 6.0 x 10-4 Torr
Cut in pressure at 50 Hz 90.0 mbar / 67.5 Torr
Cut in pressure at 60 Hz 60.0 mbar / 45.0 Torr
Max. permissible pressure differnce 80.0 mbar / 60.0 Torr
Leak rate ≤ 5.0 x 10-4 mbar l/s
Operating fluid Leybonol LVO 100
Noise level to DIN 45 635 3-ph, 220-240/380-400 V, 50 Hz 3-ph, 200-240/380-480 V, 60 Hz
Motor rating 1,1 kW / 1,5 HP
Nominal rotation speed at 50 Hz 3.000 min -1 / 3,000 rpm
Nominal rotation speed at 60 Hz 3.600 min -1 / 3,600 rpm
Max. permissable rotation speed     3.600 min -1 / 3,600 rpm
Motor protection rating IP 55
Admissible ambient temperature +12 to +40°C / +54 to +104°F
Weight 89 kg / 196 lbs

Specs 

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Leybold RUVAC WS / WSU 251 Vacuum Blower - NEW

Part no. 11722
Pumping speed: 253 m3/h
Ultimate pressure: < 4 x 10-2 mbar
3-ph motor: 220-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 100

Part no. 11727
Pumping speed: 253 m3/h
Ultimate pressure: < 4 x 10-2 mbar
3-ph motor: 220-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 400

Part no. 11723
Pumping speed: 253 m3/h
Ultimate pressure: < 4 x 10-2 mbar
3-ph motor: 200-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 100

Part no. 11728
Pumping speed: 253 m3/h
Ultimate pressure: < 4 x 10-2 mbar
3-ph motor: 200-230/400V, 50Hz / 200-265/460V, 60Hz
Operating fluid: LEYBONOL LVO 400

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